export default (() => {
  Date.prototype.Format = function (fmt) { //author: meizz
    const o = {
      "M+": this.getMonth() + 1,                 //月份
      "d+": this.getDate(),                    //日
      "h+": this.getHours(),                   //小时
      "m+": this.getMinutes(),                 //分
      "s+": this.getSeconds(),                 //秒
      "q+": Math.floor((this.getMonth() + 3) / 3), //季度
      "S": this.getMilliseconds()             //毫秒
    };
    if (/(y+)/.test(fmt))
      fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
    for (let k in o)
      if (new RegExp("(" + k + ")").test(fmt))
        fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
    return fmt;
  }
})();